This is perhaps not a solution for us. For now, we load 8.39 MB facts that come from DAML ontlogies (we will have more later). These facts are shared between all visitors thus your solution will be very memory intensive. Can you think of any other way?
Thanks. On Wed, 10 Mar 2004 13:22:19 -0800 (PST) [EMAIL PROTECTED] wrote: > > > Ah, OK, I see what you're saying. It's not a performance problem, > really; it's a response-time problem. The various visitors interfere > with each other. > > Well, one thing you could do, of course, would be to use a pool of > Rete objects instead of a single one. One per visitor, or one per some > small number of visitors. This would let you use essentially the same > rule design but without the delays. > > > > > > I think [EMAIL PROTECTED] wrote: > > > > We are building a system to deliver audio objects to museum visitors. > > Imagine more than one visitor sends request to the system. Different > rules > have different saliences. Let rules A, B, C that assign rates to > audio > objects have a higher salience than rule Z that sums these rates > for every > audio object. Imagine for visitor x rules A, B and C fired. But > it should > wait for rules A, B, and C to finish work for visitor y as > well, before > summation (rule Z) can happen for visitor x. Therfore, when > there are more > than one visitor in the museum and they make a request at > the same time, all > computations wait for each other to finish before > audio delivery to a > visitor takes place. Therefore the delivery happens > at the same time for > all visitors and this is a burden to performance. > > > > > > On Tue, 9 Mar 2004 05:03:18 -0800 (PST) [EMAIL PROTECTED] wrote: > > > I think Jordan Willms wrote: > > > > Hello, > > > > > > > > I am looking at Fuzzy HVAC Controller example in the Jess book. At > the > > > bottom of page 275, it says that "because the rule must wait > until all > > the > other fuzzy rules have fired, to allow Jess to combine > the outputs, > > it is > set at a lower priority (salience) than others". > How if the > program > > > was > supposed to control more than one device? Then one device had to > > wait > > > for > the result of all others to finish first. We are having a similar > > > problem > and it decreases the performance of our system significantly. > > > Does anyone > has a solution? > > > > > > > > > I'm not quite sure what you're asking, because the fuzzy control > > > program *does* control more than one device; I've run it with a > > > 99-story building (33 heat pumps). I'm also not sure if you understand > > > what "wait" means in this context; it just means that out of the many > > > simultaneously activated rules, one particular rule can't be allowed > > > to fire until certain others have fired; salience is used to make sure > > > the rules fire in the correct order. But there's no "waiting" in the > > > sense of standing around doing nothing, and there's no performance > > > impact. > > > > > > In any case, can you be more specific about the problem you're having? > > > > > > > > > --------------------------------------------------------- > > > Ernest Friedman-Hill > > > Science and Engineering PSEs Phone: (925) 294-2154 > > > Sandia National Labs FAX: (925) 294-2234 > > > PO Box 969, MS 9012 [EMAIL PROTECTED] > > > Livermore, CA 94550 http://herzberg.ca.sandia.gov > > > > > > -------------------------------------------------------------------- > > > To unsubscribe, send the words 'unsubscribe jess-users [EMAIL PROTECTED]' > > > in the BODY of a message to [EMAIL PROTECTED], NOT to the list > > > (use your own address!) List problems? Notify > [EMAIL PROTECTED] > > > > -------------------------------------------------------------------- > > > > -------------------------------------------------------------------- > > To unsubscribe, send the words 'unsubscribe jess-users [EMAIL PROTECTED]' > > in the BODY of a message to [EMAIL PROTECTED], NOT to the list > > (use your own address!) List problems? Notify > [EMAIL PROTECTED] > > -------------------------------------------------------------------- > > > > > --------------------------------------------------------- > Ernest Friedman-Hill > Science and Engineering PSEs Phone: (925) 294-2154 > Sandia National Labs FAX: (925) 294-2234 > PO Box 969, MS 9012 [EMAIL PROTECTED] > Livermore, CA 94550 http://herzberg.ca.sandia.gov > > -------------------------------------------------------------------- > To unsubscribe, send the words 'unsubscribe jess-users [EMAIL PROTECTED]' > in the BODY of a message to [EMAIL PROTECTED], NOT to the list > (use your own address!) List problems? Notify [EMAIL PROTECTED] > -------------------------------------------------------------------- -------------------------------------------------------------------- To unsubscribe, send the words 'unsubscribe jess-users [EMAIL PROTECTED]' in the BODY of a message to [EMAIL PROTECTED], NOT to the list (use your own address!) List problems? Notify [EMAIL PROTECTED] --------------------------------------------------------------------
